b-u bbb bbi bbn bbr bbs bbu bby bi- bib bii bin bir bis biu biy bnb bni bnn bnr bns bnu brb bri brn brr brs bru bry bsb bsi bsn bsr bss bsu bsy bub bui bun bur bus buu buy by- byi byn byr bys byu ibb ibi ibn ibr ibs ibu iby iib iii iin iir iis iiu in- inb ini inn inr ins inu iny ir- irb iri irn irr irs iru iry is- isb isi isn isr iss isu isy iu- iub iui iur ius iyr iys iyy n-i nbb nbi nbn nbr nbs nbu nib nii nin nir nis niu nnb nni nnn nns nnu nrb nri nrn nrr nrs nru nry nsb nsi nsn nsr nss nsu nsy nub nui nun nur nus nuu nuy nyn nys nyu nyy rbb rbi rbn rbr rbs rbu rib rii rin rir ris riy rnb rni rnn rnr rns rnu rny rrb rri rrn rrr rrs rru rsb rsi rsn rsr rss rsu rub rui run rur rus ruu ruy ry- ryn ryr rys ryu ryy sbb sbi sbn sbr sbs sbu sby sib sii sin sir sis siu snb sni snn snr sns snu sny sr- srb sri srn srr srs sry ss- ssb ssi ssn ssr sss ssu sub sui sun sur sus suu suy sy- syb syi syn syr sys syu ubb ubi ubn ubr ubs ubu uby uib uii uin uir uis uiu un- unb uni unn unr uns unu uny ur- urb uri urn urr urs uru ury usb usi usn usr uss usu uun uur uus uuu uyi uys uyu ybi ybr ybs yby yii yin yir yis ynn yns ynu yny yrn yrs yru ysb ysi ysr yss ysu ysy yui yun yur yus yuu yuy yyb yys yyu yyy

bbbb bbbs bbin bibb bibi bibs biin biis bin- bini binn bins binu biny birb biri birn birr birs biru biry bis- biss bisu bisy biys bnib bnin bnrr bnss brin bris brns brrr brrs brsb brsr brun brus bry- bryn bsin bsns bubb bubi bubs bubu buin buir buis buiu bunb buni bunn buns bunu bur- burb buri burn burr burs buru bury busi buss busu busy buus buyi buys buyu byrn bysb bysi byss bysy byun i-by ibis ibns ibri ibsn ibss ibus ibuy ibyi iiii iiis iirs iisi iisr iisu inby inis inni innr inns innu inny inri inrs inss insu inui inun inus irby iri- irin iris iriy irri irrs irun irus iryn isbn isin isis isri issi issr isss issu issy isus isys iuiu iuss n-ii nibi nibs niir niiu nini nins nirs niru nisi niss nisu niur niyi nnnn nnss nsin nsis nsnr nssb nssr nsss nsub nubi nubs nuby nuin nunn nuns nuny nuri nurn nurr nurs nuru nusi nuss nusu nusy nuys nyny nyrb nyss rbbb rbbr rbbs rbis rbss rib- ribs ribu riby riin riis rinn riny riri rirs risi riss risu rius rnbr rnin rrrr rrun rsbi rsis rsnn rsnr rubb rubi rubs rubu ruby ruin ruis runi runn runs runy ruri rurs ruru rusi russ rusu rusy ruun ruyi ruys ryis rynn rysy ryun s-ib s-ii sbbs sbsi sbus sibi sibs sibu siby sini sinn sins sinu siny siri sirr sirs siru sisi siss sisu sisy siui sius siyi siyu snib snir snns snrs snsy snub snur snus snys srby srib sris srni srnn srub ssbn ssbr ssby ssin ssis ssns ssri ssrs sssb sssi ssss sub- subb subi subs suin suir suis sun- sunb suni sunn suns sunu suny sur- suri surn surr surs suru sury sus- susi suss susu susy suus suyi suyn suyr suyu syis syn- syns synu syny syrs syry syss syun ubbi ubii ubir ubis uirr uni- unii unin unir unis unni unns unrs uns- unus urbi urbs urib urin uris uriu urni urns urri urry ursi urss ursu ursy urun urur urus uryn usbr usbs usin usis usnr usnu ussb ussr usss ussu ussy usui usun usus uuni uuri uusi uuuu uuyn uyin uyir ybbs ybry yins yirb yirn yirr yiss yrin yrun yryn ysby ysii yssu ysyb yubu yuin yuns yuny yuri yurn yury yuyu yyyy

bbuss bibbs bibby bibin bibis bibri bibus binns binny binub birin birni birns birny birrs birsy birun birur biryu bisby bisin bissy brini brinn brins briny brisb brisi briss briyn brrrr bruin bruis bruiu bruni brunn bruns bruri bruss brusy bruun bruys brynn brys- bryyn bsins bubby bubry bubsy buirn buisy bunin bunny bunun bunus bunyu burbs burin burn- burns burny burri burrs burru burry burun burus buryn busby busin busir bussu bussy busur busuu busyn buyin buysy by-by bybib bybus bynni byrns bysn- byssi ibbur iiiii iiris iisir iisys iiuni in-by inbin inini ininy innis inniu inrun insin insrr insub insys inurn inuus irbis irinn iris- iriss irisu irssi is-is isbns isisi isrib issru issus issuu isuus isyss iyiyi iyyun n-sub nibbi nibby niibi niirs ninib ninny ninur ninus nisin nisus niyur nu-nu nubby nubus nunni nunns nunny nunry nunun nurin nuris nurri nurry nursu nursy nurun nurus nusus nyiri ribbi ribby ribin ribsy riisu rinns rinsi rinus risby risin risus rubbi rubby rubin rubis rubus rubys ruins ruiru runby runin runny runsy rusin russi russy rusyn rybi rybin rybny rynin ryuir s-bus s-iii si-in sibin sibir sibiu sibsu sibur sinis sinni sinny sinsy sinu- sinur sinus sirin siris siriu sirsi sirsy sirur siryn sisis sissi sissu sissy siuri siuru siusi siuyu siyin snbrn snibs snub- snubs snuss snysb srnin sruby sssrb sssss subbu subby subin subis subss suibu sunbs sunin sunis sunni sunny surin surir suris surni surry sursy surui surur surus sussy susun susus suuns synys syrus syuri u-n-i u-nii ubirr ubisi ubris uibis uisun unbyn unini uninn unisi unius unnun unnur unrun unryu unsib unsin unsu unsub unsui unsun unurn urbis urin- urins urris ursus urubu ururi urusi uryu uryuu usbby usini usins usnin ussun usury ususi uunsi uusis uuuuu uyuni yibin yibir yinyu yu-ri yunsi yunus yunyu yurin yuris